I am having difficulty understanding stepper motor spec. I have questions about it.

I see a spec like this:

**NEMA 17 Stepper Motor Technical Specifications**

- Rated Voltage: 12V DC
- Current: 1.2A at 4V

Is this (1.2A) the maximum Current, and will it decrease with higher voltage ?

Will the motor really work with only 4V?

What will happen if I supply 24V? Will it still use 1.2A ?

Thanks for any explanation about this.